CN110422589A - A kind of coal mine elevating conveyor coal piling safety alarming method, device, equipment, medium - Google Patents
A kind of coal mine elevating conveyor coal piling safety alarming method, device, equipment, medium Download PDFInfo
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- CN110422589A CN110422589A CN201910713767.1A CN201910713767A CN110422589A CN 110422589 A CN110422589 A CN 110422589A CN 201910713767 A CN201910713767 A CN 201910713767A CN 110422589 A CN110422589 A CN 110422589A
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- coal
- elevating conveyor
- coal piling
- piling
- conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/40—Safety features of loads, equipment or persons
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- Ship Loading And Unloading (AREA)
Abstract
The embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling safety alarming method, device, equipment, medium, this method, comprising: obtain the real time video image in the head spillplate region of elevating conveyor；According to the real time video image, judge whether the elevating conveyor occurs coal piling situation, obtains coal piling judging result；Determine whether to issue coal piling alarm signal using the coal piling judging result.Coal mine elevating conveyor coal piling safety alarming method provided in an embodiment of the present invention can be according to the height of the video identification dump got; it further determines whether to alarm; the full class's monitoring feed inlet state of special messenger is set at reprinting machine inlet with using in the prior art; the mode for shutting down processing when meeting coal piling in time is compared; can the coal piling situation accurately to coal mine elevating conveyor identify; and operating personnel is reminded to handle, avoid production accident.
Description
Technical field
The present embodiments relate to Mine Safety Appliances technical fields, and in particular to a kind of coal mine elevating conveyor coal piling safety report
Alarm method, device, equipment, medium.
Background technique
Coal mine fully-mechanized mining working is the first production scene of underground coal, and fully-mechanized mining working two ends and working face transport
Lane, tailentry connection, fully-mechanized mining working is mainly by flitting, hydraulic support, drag conveyor, bridge conveyor
Etc. equipment constitute, wherein the effect that flitting is broken coal, coalings, i.e., coal is removed from coal body and be packed into scraper plate convey
Machine, drag conveyor are working face conveying coal equipments, and bridge conveyor is connection drag conveyor and working face haulage gate belt
The transition transporting equipment of conveyer, thus it is possible to vary Coal Transport direction.
In fully-mechanized mining working exploitation process, coal wall caving caused by being pressurized as coal wall causes a large amount of bulk coals to enter work
Make face drag conveyor, after drag conveyor is transported to elevating conveyor, machine inlet is reprinted in bulk coal blocking, and scraper plate is caused to convey
The coal that machine transports can not be successfully into elevating conveyor, cause to reprint machine inlet blocking coal piling.
After reprinting machine inlet blocking, the coal of working surface coal mining machine extraction, what be can not be successfully enters belt through elevating conveyor
Conveyer causes to reprint machine inlet blocking coal piling, and coalcutter face length is long, coalcutter driver and other operating personnels without
In the case that method finds elevating conveyor coal piling in time, continue coal cutting, causes a large amount of coals to accumulate, flow or blow over and cover completely elevating conveyor and drag conveyor
Head causes equipment damage, and operating personnel needs to shut down processing coal piling for a long time, increases operating personnel's labor intensity, causes
Working face stops production for a long time.
In addition, staff may go processing coal piling situation in the case where elevating conveyor works in elevating conveyor coal piling,
It is dangerous safety in production may to occur.
Therefore, how a kind of coal mine elevating conveyor coal piling security alarm scheme is provided, it can be accurately to coal mine elevating conveyor
Coal piling situation is identified, and operating personnel is reminded to handle, and avoids production accident, is that those skilled in the art are urgently to be resolved
The technical issues of.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling safety alarming method, device, equipment, medium, energy
It is enough that accurately the coal piling situation of coal mine elevating conveyor is identified, and operating personnel is reminded to handle, avoid production accident.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
In a first aspect, the embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling safety alarming method, comprising:
Obtain the real time video image in the head spillplate region of elevating conveyor；
According to the real time video image, judge whether the elevating conveyor occurs coal piling situation, obtains coal piling judging result；
Determine whether to issue coal piling alarm signal using the coal piling judging result.
Preferably, described to judge whether the elevating conveyor occurs coal piling situation according to the real time video image, obtain heap
Coal judging result, comprising:
A1: the first coal piling frame corresponding first moment detected in record real time video image；
A2: detect whether current second picture frame is coal piling frame sequentially in time；
A3: if it is, recording current second picture frame corresponding second moment；
A4: using the adjacent next image frame of current second picture frame as new current second picture frame, entering step A2,
Until duration that first moment, second moment are separated by be more than preset alarm time threshold or current second picture frame not
It is coal piling frame；
A5: it when the duration that first moment, second moment are separated by is more than preset alarm time threshold, issues and turns
The alarm signal of carrier aircraft coal piling；When current second picture frame is not coal piling frame, the record at first moment is eliminated；
Wherein, current second picture frame is the adjacent next image frame of the first coal piling frame；The coal piling frame is
Detect the real time video image of the elevating conveyor coal piling.
Preferably, when the coal piling judging result is that coal piling occurs, the elevating conveyor is judged using real time video image
Whether shut down；
If it is not, then issuing elevating conveyor stopping alarm signal.
If it is, judging whether that someone handles the coal piling situation of the elevating conveyor；If the unmanned processing elevating conveyor
Coal piling situation, then issue coal piling processing alarm signal.
Preferably, the coal piling situation for judging whether someone and handling the elevating conveyor, comprising:
The coal piling position of the elevating conveyor is identified using image detection identification model；
Identify in the preset range of the coal piling position whether someone；
If someone in the preset range of the coal piling position, determine that someone handles the coal piling situation of the elevating conveyor；
If nobody, determines the coal piling situation of the unmanned processing elevating conveyor in the preset range of the coal piling position.
Preferably, further includes:
When someone handles the coal piling situation of the elevating conveyor, judges the elevating conveyor, corresponding with the elevating conveyor scrapes
Whether plate transporter shuts down；
If the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor are not shut down, stopping alarm letter is issued
Number；
If the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor are shut down, sentenced according to real time video image
The elevating conveyor that breaks whether there is coal piling situation；
If coal piling situation is not present in the elevating conveyor, coal piling alarm signal is released.
It is described to judge whether the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor shut down, comprising:
Obtain the first realtime graphic of the elevating conveyor；
Whether there is coal cinder using the head that image detection identification model detects the elevating conveyor on the first realtime graphic；
If the head of the elevating conveyor has coal cinder, the elevating conveyor operation is determined；If the head of the elevating conveyor
Without coal cinder, then determine that the elevating conveyor is shut down；
Obtain the second realtime graphic of the scratch board conveyor；
The coal cinder on adjacent two the second realtime graphics on the scratch board conveyor is detected using image detection identification model
The third place, the 4th position；
Judge whether the third place, the 4th position are identical；If the third place is identical as the 4th position,
Then determine that the scratch board conveyor is shut down；If the third place is different from the 4th position, the scraper plate fortune is determined
Defeated machine operation.
Preferably, further includes:
When detecting the coal piling situation of the elevating conveyor, drag conveyor, the elevating conveyor are closed.
It is preferably, described to judge the elevating conveyor with the presence or absence of coal piling situation according to real time video image, comprising:
Identify spillplate, the coal charge of the elevating conveyor in the real time video image；
The difference that first peak of the coal charge is subtracted to the second peak of the spillplate, as the real-time of coal charge
Charge height value；
According to the relationship of real-time the charge height value and preset threshold, coal piling judging result is obtained.
Second aspect, the embodiment of the present invention provide a kind of coal mine elevating conveyor coal piling safety alarm device, comprising:
Real time video image obtains module, the real time video image in the head spillplate region for obtaining elevating conveyor；
Coal piling judgment module, for judging whether the elevating conveyor occurs coal piling situation according to the real time video image,
Obtain coal piling judging result；
Alarm issues judgment module, issues coal piling alarm signal for determining whether using the coal piling judging result.
Preferably, the coal piling judgment module, comprising:
Spillplate, coal charge recognition unit, for identification spillplate, the coal charge of the elevating conveyor in the real time video image；
Real-time height determination unit, for the first peak of the coal charge to be subtracted to the second peak of the spillplate
Difference, the real-time charge height value as coal charge；
Coal piling judging unit obtains coal piling judgement for the relationship according to real-time the charge height value and preset threshold
As a result.
The third aspect, the embodiment of the present invention provide a kind of coal mine elevating conveyor coal piling security alarm device, comprising:
Memory, for storing computer program；
Processor realizes that the coal mine as described in above-mentioned first aspect is any is reprinted when for executing the computer program
The step of machine coal piling safety alarming method.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
It is stored with computer program in matter, is realized as described in above-mentioned first aspect is any when the computer program is executed by processor
Coal mine elevating conveyor coal piling safety alarming method the step of.
The embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling safety alarming method, comprising: obtains and keeps off coal on elevating conveyor
The real time video image of plate；Identify the height value of coal charge in real time video image；According to the height value and preset height value
Size relation judges whether the alarm signal for issuing elevating conveyor coal piling.Coal mine elevating conveyor coal piling peace provided in an embodiment of the present invention
Full alarm method can further determine whether to alarm according to the height of the video identification dump got, and in the prior art
Using the full class's monitoring feed inlet state of special messenger is set at reprinting machine inlet, the mode for shutting down processing when meeting coal piling in time is compared,
Can the coal piling situation accurately to coal mine elevating conveyor identify, and operating personnel is reminded to handle, avoids production accident.
The embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling safety alarming method, device, equipment, medium, has phase
Same above-mentioned beneficial effect, this is no longer going to repeat them.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of stream of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Cheng Tu；
Fig. 2 is a kind of height of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Angle value identification process figure；
Fig. 3 is a kind of report of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Alert decision flow chart；
Fig. 4 be a kind of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention again
A kind of height value identification process figure；
Fig. 5 is a kind of figure of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
As process flow diagram；
Fig. 6 is a kind of having for coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Unmanned processing decision flow chart；
Fig. 7 is a kind of turning for coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Carrier aircraft shuts down decision flowchart；
Fig. 8 is a kind of scraping for coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Trigger shuts down decision flowchart；
Fig. 9 is a kind of a kind of composition for coal mine elevating conveyor coal piling safety alarm device that specific embodiment provides of the present invention
Schematic diagram；
Figure 10 provides a kind of composition of coal mine elevating conveyor coal piling security alerting system for a kind of specific embodiment of the present invention
Schematic diagram；
Figure 11 is that fully-mechanized mining working equipment provided in an embodiment of the present invention is arranged and video camera installs top view；
Figure 12 is that fully-mechanized mining working equipment provided in an embodiment of the present invention is arranged and video camera installs main view；
Figure 13 is a kind of coal mine elevating conveyor coal piling security alarm device provided in a kind of specific embodiment of the present invention
Structural schematic diagram；
Figure 14 shows for a kind of structure of computer readable storage medium provided in a kind of specific embodiment of the present invention
It is intended to.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 are please referred to, Fig. 1 is a kind of coal mine provided by a kind of specific embodiment of the present invention
The flow chart of elevating conveyor coal piling safety alarming method；Fig. 2 is a kind of coal mine turn provided by a kind of specific embodiment of the present invention
The height value identification process figure of carrier aircraft coal piling safety alarming method；Fig. 3 is one provided by a kind of specific embodiment of the present invention
The alarm decision flow chart of kind coal mine elevating conveyor coal piling safety alarming method；Fig. 4 is mentioned by a kind of specific embodiment of the present invention
A kind of another height value identification process figure of the coal mine elevating conveyor coal piling safety alarming method supplied；Fig. 5 is a kind of tool of the present invention
A kind of image processing flow figure of coal mine elevating conveyor coal piling safety alarming method provided by body embodiment；Fig. 6 is the present invention
A kind of a kind of the presence or absence of coal mine elevating conveyor coal piling safety alarming method provided by specific embodiment people handles decision flow chart；
Fig. 7 is a kind of elevating conveyor shutdown of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Decision flowchart；Fig. 8 is a kind of coal mine elevating conveyor coal piling safety alarming method provided by a kind of specific embodiment of the present invention
Scrapper conveyor shut down decision flowchart.
In a kind of specific embodiment of the present invention, the embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling security alarm
Method, comprising:
Step S11: the real time video image in the head spillplate region of elevating conveyor is obtained；
In step of embodiment of the present invention S11, it is necessary first to obtain the real time video image of spillplate on elevating conveyor, specifically
Ground can be using the spillplate position of high definition (720p or more) video camera shooting alignment elevating conveyor, and acquires elevating conveyor in real time
The real time video image of upper spillplate acquires the real time video image of spillplate certainly, is the coal in order to know spillplate blocking
Expect highly to be how many, therefore, video camera when shooting, needs to be aligned the one side that spillplate stops coal charge.
Step S12: according to the real time video image, judge whether the elevating conveyor occurs coal piling situation, obtain coal piling
Judging result；
In above-mentioned steps, after getting the real time video image of spillplate, if the elevating conveyor of coal mine in working condition,
It so has coal charge to be stopped by spillplate, coal charge generates a height in the position of spillplate, under normal circumstances, if coal
The particle of material is smaller, then the height value for the coal charge that spillplate stops can fluctuate in a normal range, however, if comprehensive
In mining face exploitation process, it is defeated that coal wall caving caused by being pressurized as coal wall causes a large amount of bulk coals to enter working face scraper plate
Machine is sent, after drag conveyor is transported to elevating conveyor, machine inlet is reprinted in bulk coal blocking, the coal for causing drag conveyor to transport
Charcoal can not be successfully into elevating conveyor, cause to reprint machine inlet blocking coal piling.It is embodied in, the position accumulation of spillplate is a large amount of
Coal charge, the height value of coal charge can be continuously increased.
Specifically when identifying the height value of the coal charge in real time video image, the height value of coal charge once in a while in order to prevent
Increase the wrong report generated, can repeatedly identify the height value of coal charge in real time video image in a predetermined time period, ask
It is averaged.It is of course also possible to use other modes, such as step can be carried out:
Step S21: spillplate, the coal charge of the elevating conveyor in the real time video image are identified；
Step S22: the first peak of the coal charge is subtracted to the difference of the second peak of the spillplate, as coal
The real-time charge height value of material；
Step S23: according to the relationship of real-time the charge height value and preset threshold, coal piling judging result is obtained.
That is, the real-time height value of coal charge in a width real time video image is identified, if charge height value is all in real time
Be more than preset height value, then it is considered that the coal charge in this period always all in stacking states, it is of course also possible to adopt
Sample, to real time video image, according to the sequence of time, if continuous N rises, real time video image can recognize the height of coal charge
More than preset height value, then can be determined that the alarm signal that issue elevating conveyor coal piling.
Step S13: determine whether to issue coal piling alarm signal using the coal piling judging result.
Generally, preset height value is traditionally arranged to be feelings of the spillplate in the feed inlet blocking for encountering elevating conveyor of elevating conveyor
Under condition, height of the coal charge in spillplate.If the height value of coal charge has been more than preset height value, illustrate that coal charge is not normal
Be transported away, it is therefore desirable to issue alarm signal；If the height value of coal charge is not above preset height value, illustrate that coal charge exists
The spillplate position conveying of elevating conveyor is normal, without issuing the alarm signal of elevating conveyor coal piling.
Specifically, one display screen can be installed in working face integrated console, after recognizing coal piling situation, system will be reported
Alert information is transferred to combined aural and visual alarm, and combined aural and visual alarm issues alarm signal " nose region coal piling please shut down processing ".It shows simultaneously
Display screen shows that " nose region coal piling please shut down processing " notifies integrated console duty personnel.Meanwhile linkage work face voice
Broadcast system is informed working face operating personnel " head coal piling please shut down processing ".
Further, in order to prevent for the moment height value moment increase caused by report by mistake, can be achieved according to institute
The size relation for stating height value Yu preset height value judges whether the alarm signal for issuing elevating conveyor coal piling, specifically includes following
Step:
A1: the first coal piling frame corresponding first moment detected in record real time video image；
A2: detect whether current second picture frame is coal piling frame sequentially in time；
A3: if it is, recording current second picture frame corresponding second moment；
A4: using the adjacent next image frame of current second picture frame as new current second picture frame, entering step A2,
Until duration that first moment, second moment are separated by be more than preset alarm time threshold or current second picture frame not
It is coal piling frame；
A5: it when the duration that first moment, second moment are separated by is more than preset alarm time threshold, issues and turns
The alarm signal of carrier aircraft coal piling；When current second picture frame is not coal piling frame, the record at first moment is eliminated；
Wherein, current second picture frame is the adjacent next image frame of the first coal piling frame；The coal piling frame is
Detect the real time video image of the elevating conveyor coal piling.
That is, can be continued to test when detecting coal piling frame, if in a time span, constant testing
To coal piling frame, centre does not check non-coal piling frame, then then illustrate, in this time span, the height value of coal charge all in
Abnormal condition is not an instantaneous state, therefore, if in this case, issuing the alarm signal of elevating conveyor coal piling,
Compare with confidence level.For specific type of alarm, alarm signal can be set into audible ringing signal, visual alarm,
When elevating conveyor breaks down, the glittering LED lamp of setting specifically can control, buzzer lamp issues sound and light signal.
Specifically, it is possible, firstly, to detect spillplate and coal charge using the method for target detection, that is, convolutional Neural is utilized
Network carries out target (spillplate, coal charge) detection.Convolutional neural networks mainly include convolutional layer, extracted region network and classification
Three main modulars of device.Wherein, convolutional layer is usually depth convolutional neural networks, for original image to be passed through a series of volume
The operations such as product, pond are converted into more ability to express, more abstract high-rise characteristics of image, are supplied to extracted region network and divide
Class device.The characteristics of image that extracted region network is extracted based on convolution, the generating mode generation according to a series of frames that network provides
Corresponding multiple candidate frames finally generate a certain number of doubtful regions for reprinting coal amount at machine inlet.Classifier is according to mentioning
The characteristics of image of taking-up carries out Accurate Analysis to the region of coal amount at doubtful reprinting machine inlet, finally provides in image and meet
The coordinate of the characteristic area of coal cinder, and then obtain whether monitoring region has coal.It is of course also possible to use other target detection moulds
Type, using the spillplate marked and the other neural networks of coal charge photo training, so that neural network has detection spillplate
With the ability of coal charge.
As shown in figure 4, the first area frame 401 of spillplate, the second area frame 402 of coal charge is being detected according to spillplate
To after spillplate and coal charge, coordinate system can be established in real time video image, to the first area frame 401 of spillplate, coal charge
Second area frame 402 carry out coordinatograph and using coordinate system can determine the coordinate of the highest point of spillplate, coal charge is most
The coordinate of high point, so as on the basis of the coordinate of spillplate, seek the height h of coal charge, such as the height value of spillplate is
10, and the coordinate of the highest point of coal charge is 3,4,5,6,7 under normal circumstances, then coal charge is on the basis of the highest point of spillplate
Height value are as follows: -7, -6, -5, -4, -3, these height values are normal value, and negative number representation coal charge is not above the height of spillplate
Degree；And if the coordinate of the highest point of coal charge may be 11,12,13 etc. under abnormal condition, then coal charge is with spillplate
Height value on the basis of highest point are as follows: 1,2,3 etc., these height values are outlier, indicate that coal charge is more than the height of spillplate,
At this moment alarm signal can be issued.
1) using elevating conveyor feed inlet coal amount region in algorithm of target detection identification picture, remembered with red rectangle collimation mark.Note
Record 4 frame parameters bx1, by1, bh1, bw1 of red-label frame.Bx1, by1 are the coordinates of red-label frame central point, bw1,
Bh1 is the length and width of red-label frame.
2) it using spillplate region in algorithm of target detection identification picture, is marked with green rectangle frame.Record Green Marker
4 frame parameters bx2, by2, bh2, bw2 of frame.Bx2, by2 are the coordinates of Green Marker frame central point, and bw2, bh2 are greens
The length and width of indicia framing.
3) set spillplate highest edge in picture down h meters of position to reprint machine inlet coal piling height peak,
Such as Fig. 4.The then calculation formula of h are as follows:
Target detection is carried out to coal amount and spillplate at machine inlet is reprinted using image recognition algorithm, judges turning for identification
The distance of the top edge of coal amount and spillplate top edge at carrier aircraft feed inlet.If it is less than h, then the shooting time of the picture is recorded
t_1.Then next frame image is read, the top edge and spillplate top edge for reprinting coal amount at machine inlet of judgement identification are continued
Distance continue to read next frame image, while removing the t_1 of record if more than h；If being less than h, the bat of the picture is recorded
Take the photograph time t_2.Time span t=t_2-t_1, this is the coal piling time.If t is greater than predetermined time of fire alarming threshold value T, as coal piling feelings
Condition.
It is of course also possible to utilize the second height value of the first height value and second area frame 402 of first area frame 401
The actual height of ratio and coal charge is equal with the ratio of spillplate actual height, to calculate the actual height value of coal charge, so as to
To realize the practical determination of charge height value.
Specifically when handling real time video image, due to the illumination in coal mine, visual environment, real time video image
It is possible and not clear enough, therefore, it can be handled in this way in spillplate, the coal charge to the elevating conveyor in identification real time video image:
Step S51: when the coal piling judging result is that coal piling occurs, the elevating conveyor is judged using real time video image
Whether shut down；
Step S52: if it is not, then issuing elevating conveyor stopping alarm signal.
Step S53: if it is, judging whether that someone handles the coal piling situation of the elevating conveyor；If unmanned processing institute
The coal piling situation for stating elevating conveyor then issues coal piling processing alarm signal.
Specifically, it can use image recognition algorithm to be monitored elevating conveyor and belt machine end clinch, pass through judgement
Tail coal amount judges whether drag conveyor, elevating conveyor shut down.
If belt machine end without coal, determines that drag conveyor, elevating conveyor are shut down.It recognizes after shutting down situation, Ke Yiji
Whether someone handles coal piling for continuous identification nose region.
If belt machine end has a small amount of coal, judgement can not be shut down with drag conveyor, elevating conveyor.After coal piling, in scraper plate
In the case of conveyer, elevating conveyor are not shut down, a small amount of coal can enter belt machine end by elevating conveyor.It recognizes and does not shut down situation
Afterwards, warning message is transferred to combined aural and visual alarm by system, and combined aural and visual alarm issues alarm signal, can continue to identify nose region
Whether someone handles coal piling.Specifically, it can follow the steps below:
Specifically it can use algorithm of target detection to judge whether that someone handles the coal piling situation of the elevating conveyor
Identify that head spillplate is outer and reprints all areas on cover plate in picture, is remembered with blue rectangle collimation mark.Record blue rectangle frame
4 frame parameters bx3, by3, bh3, bw3.Bx3, by3 are the coordinates of blue rectangle frame central point, and bw3, bh3 are blue marks
Remember the length and width of frame.Identify that drag conveyor to nose region, is remembered with yellow rectangle collimation mark, records yellow using algorithm of target detection
4 frame parameters bx4, by4, bh4, bw4 of rectangle frame.Identify in blue rectangle frame whether there is operation using algorithm of target detection
Personnel handle the movement of coal piling using tool.If monitor that operating personnel has the movement for breaking coal using tool, identification is at this time
No generation coal piling.Specifically, it can follow the steps below:
Step S61: the coal piling position of the elevating conveyor is identified using image detection identification model；
Step S62: identify in the preset range of the coal piling position whether someone；
Step S63: if someone in the preset range of the coal piling position, determine that someone handles the heap of the elevating conveyor
Coaly condition；If nobody, determines the coal piling situation of the unmanned processing elevating conveyor in the preset range of the coal piling position.
If do not monitor that operating personnel has the movement for breaking coal using tool, warning message is transferred to acousto-optic report by system
Alert device, combined aural and visual alarm issue alarm signal " nose region coal piling please shut down processing ", alarm until monitoring someone operation people
Member's processing coal piling situation, releases alarm.
More specifically, if recognized, nose region coal amount has been handled and nose region is without coal piling situation, cognitron
Whether head region has operating personnel, if unidentified arrive operating personnel, warning message is transferred to combined aural and visual alarm, acousto-optic report by system
Alert device issues alarm signal " nose region coal piling is processed, and personnel have withdrawn operating area, can start operation ", linkage work
Face voice broadcast service, notice working face operating personnel " processing of head coal piling is completed, and can be switched on ".
If recognizing operating personnel, warning message is transferred to combined aural and visual alarm by system, and combined aural and visual alarm issues alarm signal
Number " nose region coal piling is processed, and personnel need to withdraw operating area as early as possible ".
If it find that if recognizing nose region, whether someone is handled when personnel do not shut down processing nose region coal piling situation
Coal piling, then warning message is transferred to combined aural and visual alarm by system, and combined aural and visual alarm issues alarm signal and " asks operating personnel to shut down to make
Industry ".Camera for a long time alarm, system can link drag conveyor and reprint machine, forced stoppage.
Because operating personnel handles the movement multiplicity of coal piling, data set must cover processing coal piling movement patterns more as far as possible, such as
This just can guarantee that model accurately identifies.
It reprints machine inlet coal amount state to fully-mechanized mining working nose region to be monitored, when discovery is reprinted at machine inlet
The top edge of coal amount and the distance of spillplate top edge are less than predetermined threshold and when the duration reaches time of fire alarming threshold value
Warning message is transferred to combined aural and visual alarm by system, and combined aural and visual alarm issues alarm signal, notify working face correlation operating personnel and
When handle, avoid long-time large area coal piling, cause equipment damage, influence working face and normally produce.
If drag conveyor, elevating conveyor are shut down, identify whether underground operators handle coal piling, if unmanned processing heap
Coal, then warning message is transferred to combined aural and visual alarm by system, and combined aural and visual alarm issues alarm signal, personnel is notified to handle, and is alarmed
Until monitoring coal piling releasing processed.If recognizing operating personnel handles coal piling, identify whether operating personnel withdraws operation
Region, until coal piling is processed and personnel withdraw alarm release, linkage working face voice broadcast service notifies working face operating personnel
" processing of head coal piling is completed, and can be switched on ".
If drag conveyor, elevating conveyor are not shut down, warning message is transferred to combined aural and visual alarm by system, combined aural and visual alarm
Issue alarm signal.Recognize operating personnel do not shut down processing coal piling when, then warning message is transferred to combined aural and visual alarm by system,
Combined aural and visual alarm issues alarm signal " operating personnel is asked to shut down operation ".Combined aural and visual alarm is alarmed for a long time, and system can link and scrape
Plate conveyer and reprinting machine, forced stoppage.
Specifically, in order to judge whether the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor shut down, Ke Yijin
Row following steps:
Step S71: the first realtime graphic of the elevating conveyor is obtained；
Step S72: whether have using the head that image detection identification model detects the elevating conveyor on the first realtime graphic
Coal cinder；
Step S73: if the head of the elevating conveyor has coal cinder, determine the elevating conveyor operation；If the reprinting
The head of machine then determines that the elevating conveyor is shut down without coal cinder；
Step S81: the second realtime graphic of the scratch board conveyor is obtained；
Step S82: the scratch board conveyor on adjacent two the second realtime graphics is detected using image detection identification model
On the third place of coal cinder, the 4th position；
Step S83: judge whether the third place, the 4th position are identical；If the third place and the described 4th
Position is identical, then determines that the scratch board conveyor is shut down；If the third place is different from the 4th position, institute is determined
State scratch board conveyor operation.
Certainly, if belt machine end, that is, the head of elevating conveyor have a small amount of coal, then determine drag conveyor, elevating conveyor
It does not shut down.After coal piling, when drag conveyor, elevating conveyor are not shut down, a small amount of coal can enter belt feeder by elevating conveyor
Tail specifically can manually mark coal cinder in picture, carry out feature to the content in callout box using convolutional neural networks and mention
It takes, so that yellow rectangle frame identifies whether coal, and then judges whether drag conveyor and elevating conveyor shut down.That is, utilizing
The mode of image recognition identifies whether belt machine end has coal cinder, can to drag conveyor, whether elevating conveyor shuts down determines.
With currently used compared with reprinting machine inlet setting special messenger's monitoring method, the present invention more can prison promptly and accurately
It surveys and reprints machine inlet blocking coal piling, avoid the production of long-time large area coal piling caused by sleeping hilllock because of monitoring personnel, leave post
Accident reduces underground operators quantity, lowers coal production cost.It avoids through process of the present invention because of coal mine fully-mechanized mining working
Operating personnel handle head coal piling when, not to the three separated operations that drag conveyor, bridge conveyor are shut down caused by peace
Full accident.Compared with currently relying on operating personnel's consciousness and security official's field surveillance merely, the present invention can be in camera
When monitoring that operating personnel does not shut down processing nose region coal piling, combined aural and visual alarm is in time to operating personnel and linkage work face
Sound-light alarm is issued, alarm much sooner, reliably, reduces coal mining accident, improves Safety Management Level of Coal Mines.
Referring to FIG. 9, Fig. 9 is a kind of a kind of coal mine elevating conveyor coal piling security alarm that specific embodiment provides of the present invention
Device 900, comprising:
Real time video image obtains module 910, the real time video image in the head spillplate region for obtaining elevating conveyor；
Coal piling judgment module 920, for judging whether the elevating conveyor occurs coal piling feelings according to the real time video image
Condition obtains coal piling judging result；
Alarm issues judgment module 930, issues coal piling alarm signal for determining whether using the coal piling judging result.
Preferably, the coal piling judgment module 920, comprising:
Spillplate, coal charge recognition unit, for identification spillplate, the coal charge of the elevating conveyor in the real time video image；
Real-time height determination unit, for the first peak of the coal charge to be subtracted to the second peak of the spillplate
Difference, the real-time charge height value as coal charge；
Coal piling judging unit obtains coal piling judgement for the relationship according to real-time the charge height value and preset threshold
As a result.
Referring to FIG. 10, Figure 10 provides a kind of coal mine elevating conveyor coal piling security alarm for a kind of specific embodiment of the present invention
The composition schematic diagram of system.
The embodiment of the present invention provides a kind of coal mine elevating conveyor coal piling security alerting system 1000, comprising: coal mine elevating conveyor heap
Coal safety alarm device 1010, video camera 1020；
The video camera 1020, the real time video image of the position of the spillplate for shooting coal mine elevating conveyor, and will be real
When transmission of video images to the coal mine elevating conveyor coal piling safety alarm device；
The coal mine elevating conveyor coal piling safety alarm device 1010, for realizing as described in above-mentioned first aspect is any
The step of coal mine elevating conveyor coal piling safety alarming method.
Figure 11, Figure 12 are please referred to, Figure 11 is that fully-mechanized mining working equipment provided in an embodiment of the present invention is arranged and video camera is pacified
Fill top view；Fig. 9 is that fully-mechanized mining working equipment provided in an embodiment of the present invention is arranged and video camera installs main view.
Video camera 1101 can choose high definition (720P) explosion-proof video camera and be mounted on 1102 end of fully-mechanized mining working haulage gate
Above head hydraulic support foundation on top beam, move forward with hydraulic support 1103.Video camera 1101 is towards elevating conveyor direction, setting angle
Being subject to can monitor to reprint spillplate 1108 at machine inlet.
In fully-mechanized mining working exploitation process, coal wall caving caused by being pressed as coal wall 1104 by coalcutter 1105 is caused largely
Bulk coal enters Scraper Conveyor in Mining Face 1106, and after drag conveyor 1106 is transported to elevating conveyor, bulk coal blocking turns
Carrier aircraft feed inlet, the coal for causing drag conveyor to transport can not be successfully into elevating conveyor, cause to reprint machine inlet blocking heap
Coal 1107.
Video camera real-time monitoring elevating conveyor feed hole area, every N frame to one frame of Image Acquisition, N is just whole greater than one
Number.The picture taken is uploaded in system and using trained model is analyzed in real time in system.Scheming first
On piece setting monitoring region, monitoring are reprinted machine inlet and spillplate region, are remembered with red rectangle collimation mark.
Set spillplate highest edge in picture down h meters of position to reprint machine inlet coal piling height peak.Benefit
Target detection is carried out to coal amount and spillplate at machine inlet is reprinted with image recognition algorithm, judges the reprinting machine inlet of identification
Locate the top edge of coal amount and the distance of spillplate top edge.If it is less than h, then the shooting time t of the picture is recorded1.Then it reads
Next frame image is taken, the top edge of coal amount and the distance of spillplate top edge at the reprinting machine inlet of judgement identification are continued, if
Greater than h, continue to read next frame image, while removing the t of record1；If being less than h, the shooting time t of the picture is recorded2.When
Between span t=t2-t1, this is the coal piling time.If t is greater than predetermined time of fire alarming threshold value T, warning message is transferred to camera shooting by system
Machine, video camera issue sound-light alarm.
Figure 13, Figure 14 are please referred to, Figure 13 is a kind of coal mine elevating conveyor provided in a kind of specific embodiment of the present invention
The structural schematic diagram of coal piling security alarm device；Figure 14 is a kind of computer provided in a kind of specific embodiment of the present invention
The structural schematic diagram of readable storage medium storing program for executing.
The embodiment of the present invention provides coal mine elevating conveyor coal piling security alarm device 1300, comprising:
Memory 1310, for storing computer program；
Processor 1320 realizes that any coal mine turns as described in above-mentioned first aspect when for executing the computer program
The step of carrier aircraft coal piling safety alarming method.The computer program is stored in memory 1310 and is used for what program code stored
In space, which has the method realized in any embodiment of the present invention when the execution of processor 1320.
The embodiment of the present invention also provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, is realized when the computer program is executed by processor any as described in above-mentioned any specific embodiment
It plants catch on aircraft, remove the step of time recording method of catch.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description,
The specific work process of equipment and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device, device and method can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the division of unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with
In conjunction with or be desirably integrated into another device, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of equipment or unit or
Communication connection can be electrical property, mechanical or other forms.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer readable storage medium.Based on this understanding, the technical solution of the application substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
The whole of (can be personal computer, funcall equipment or the network equipment etc.) execution each embodiment method of the application
Or part steps.Although above having used general explanation and specific embodiment, the present invention is described in detail,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, fall within the scope of the claimed invention without departing from theon the basis of the spirit of the present invention.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (12)
1. a kind of coal mine elevating conveyor coal piling safety alarming method characterized by comprising
Obtain the real time video image in the head spillplate region of elevating conveyor；
According to the real time video image, judge whether the elevating conveyor occurs coal piling situation, obtains coal piling judging result；
Determine whether to issue coal piling alarm signal using the coal piling judging result.
2. coal mine elevating conveyor coal piling safety alarming method according to claim 1, which is characterized in that
It is described to judge whether the elevating conveyor occurs coal piling situation according to the real time video image, coal piling judging result is obtained,
Include:
A1: the first coal piling frame corresponding first moment detected in record real time video image；
A2: detect whether current second picture frame is coal piling frame sequentially in time；
A3: if it is, recording current second picture frame corresponding second moment；
A4: using the adjacent next image frame of current second picture frame as new current second picture frame, entering step A2, until
The duration that first moment, second moment are separated by is more than preset alarm time threshold or current second picture frame is not heap
Coal frame；
A5: when the duration that first moment, second moment are separated by is more than preset alarm time threshold, elevating conveyor is issued
The alarm signal of coal piling；When current second picture frame is not coal piling frame, the record at first moment is eliminated；
Wherein, current second picture frame is the adjacent next image frame of the first coal piling frame；The coal piling frame is detection
To the real time video image of the elevating conveyor coal piling.
3. coal mine elevating conveyor coal piling safety alarming method according to claim 1, which is characterized in that
When the coal piling judging result is that coal piling occurs, judge whether the elevating conveyor shuts down using real time video image；
If it is not, then issuing elevating conveyor stopping alarm signal；
If it is, judging whether that someone handles the coal piling situation of the elevating conveyor；If the heap of the unmanned processing elevating conveyor
Coaly condition then issues coal piling processing alarm signal.
4. coal mine elevating conveyor coal piling safety alarming method according to claim 3, which is characterized in that
The coal piling situation for judging whether someone and handling the elevating conveyor, comprising:
The coal piling position of the elevating conveyor is identified using image detection identification model；
Identify in the preset range of the coal piling position whether someone；
If someone in the preset range of the coal piling position, determine that someone handles the coal piling situation of the elevating conveyor；If
Nobody, then determine the coal piling situation of the unmanned processing elevating conveyor in the preset range of the coal piling position.
5. coal mine elevating conveyor coal piling safety alarming method according to claim 3, which is characterized in that further include:
When someone handles the coal piling situation of the elevating conveyor, the elevating conveyor, scraper plate corresponding with elevating conveyor fortune are judged
Whether defeated machine shuts down；
If the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor are not shut down, stopping alarm signal is issued；
If the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor are shut down, institute is judged according to real time video image
Elevating conveyor is stated with the presence or absence of coal piling situation；
If coal piling situation is not present in the elevating conveyor, coal piling alarm signal is released.
6. coal mine elevating conveyor coal piling safety alarming method according to claim 5, which is characterized in that
It is described to judge whether the elevating conveyor, scratch board conveyor corresponding with the elevating conveyor shut down, comprising:
Obtain the first realtime graphic of the elevating conveyor；
Whether there is coal cinder using the head that image detection identification model detects the elevating conveyor on the first realtime graphic；
If the head of the elevating conveyor has coal cinder, the elevating conveyor operation is determined；If the head of the elevating conveyor is without coal
Block then determines that the elevating conveyor is shut down；
Obtain the second realtime graphic of the scratch board conveyor；
Of the coal cinder on adjacent two the second realtime graphics on the scratch board conveyor is detected using image detection identification model
Three positions, the 4th position；
Judge whether the third place, the 4th position are identical；If the third place is identical as the 4th position, sentence
The fixed scratch board conveyor is shut down；If the third place is different from the 4th position, the scratch board conveyor is determined
Operation.
7. coal mine elevating conveyor coal piling safety alarming method according to claim 5, which is characterized in that further include:
When detecting the coal piling situation of the elevating conveyor, drag conveyor, the elevating conveyor are closed.
8. coal mine elevating conveyor coal piling safety alarming method according to any one of claims 1 to 7, which is characterized in that
It is described to judge the elevating conveyor with the presence or absence of coal piling situation according to real time video image, comprising:
Identify spillplate, the coal charge of the elevating conveyor in the real time video image；
The difference that first peak of the coal charge is subtracted to the second peak of the spillplate, the real-time coal charge as coal charge
Height value；
According to the relationship of real-time the charge height value and preset threshold, coal piling judging result is obtained.
9. a kind of coal mine elevating conveyor coal piling safety alarm device characterized by comprising
Real time video image obtains module, the real time video image in the head spillplate region for obtaining elevating conveyor；
Coal piling judgment module, for judging whether the elevating conveyor occurs coal piling situation, obtaining according to the real time video image
Coal piling judging result；
Alarm issues judgment module, issues coal piling alarm signal for determining whether using the coal piling judging result.
10. coal mine elevating conveyor coal piling safety alarm device according to claim 9, which is characterized in that
The coal piling judgment module, comprising:
Spillplate, coal charge recognition unit, for identification spillplate, the coal charge of the elevating conveyor in the real time video image；
Real-time height determination unit, the difference of the second peak for the first peak of the coal charge to be subtracted to the spillplate
Value, the real-time charge height value as coal charge；
Coal piling judging unit obtains coal piling judging result for the relationship according to real-time the charge height value and preset threshold.
11. a kind of coal mine elevating conveyor coal piling security alarm device characterized by comprising
Memory, for storing computer program；
Processor realizes the coal mine elevating conveyor coal piling as described in any one of claim 1 to 8 when for executing the computer program
The step of safety alarming method.
12. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes that coal mine elevating conveyor coal piling is pacified as described in any one of claim 1 to 8 when the computer program is executed by processor
The step of full alarm method.
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